/Engine/Plugins/Experimental/CineCameraRigs/Source/CineCameraRigs/Public/CineSplineComponent.h
Get camera rotation metadata value along the spline at spline input key
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="CineSpline") FQuat GetPointRotationAtSplineInputKey ( float InKey ) const